org.apache.cocoon.components.classloader
Class RepositoryClassLoader

java.lang.Object
  |
  +--java.lang.ClassLoader
        |
        +--java.security.SecureClassLoader
              |
              +--java.net.URLClassLoader
                    |
                    +--org.apache.cocoon.components.classloader.RepositoryClassLoader

All Implemented Interfaces:

org.apache.avalon.framework.logger.Loggable

public class RepositoryClassLoader

extends java.net.URLClassLoader

implements org.apache.avalon.framework.logger.Loggable

A class loader with a growable list of path search directories. BL: Changed to extend URLClassLoader for both maintenance and compatibility reasons. It doesn't hurt that it runs quicker now as well.

Version:

CVS $Id: RepositoryClassLoader.java,v 1.6 2002/03/01 14:31:22 vgritsenko Exp $

Author:

Ricardo Rocha, Berin Loritsch

Field Summary

protected org.apache.log.Logger

log The logger

Constructor Summary

	RepositoryClassLoader() Create an empty new class loader.
	RepositoryClassLoader(java.net.URL[] urls) Create an empty new class loader.
	RepositoryClassLoader(java.net.URL[] urls, java.lang.ClassLoader parentClassLoader) Create an empty new class loader.
protected	RepositoryClassLoader(java.util.Vector repositories) Create a class loader from a list of directories

Method Summary

void	addDirectory(java.io.File repository) Add a directory to the list of searchable repositories.
void	addDirectory(java.lang.String repository) Add a directory to the list of searchable repositories.
void	addURL(java.net.URL url) Add a url to the list of searchable repositories
java.lang.Class	defineClass(byte[] b) Create a Class from a byte array
void	setLogger(org.apache.log.Logger logger)

Methods inherited from class java.net.URLClassLoader

definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass

Methods inherited from class java.lang.ClassLoader

defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, resolveClass, setSigners

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

protected org.apache.log.Logger log

The logger

Constructor Detail

RepositoryClassLoader

public RepositoryClassLoader()

Create an empty new class loader.

RepositoryClassLoader

public RepositoryClassLoader(java.net.URL[] urls)

Create an empty new class loader.

RepositoryClassLoader

public RepositoryClassLoader(java.net.URL[] urls,
                             java.lang.ClassLoader parentClassLoader)

Create an empty new class loader.

RepositoryClassLoader

protected RepositoryClassLoader(java.util.Vector repositories)

Create a class loader from a list of directories

Parameters:

repositories - List of searchable directories

Method Detail

setLogger

public void setLogger(org.apache.log.Logger logger)

Specified by:

setLogger in interface org.apache.avalon.framework.logger.Loggable

addDirectory

public void addDirectory(java.io.File repository)
                  throws java.io.IOException

Add a directory to the list of searchable repositories. This methods ensures that no directory is specified more than once.

Parameters:

repository - The directory path

Throws:

java.io.IOException - Non-existent, non-readable or non-directory repository

addDirectory

public void addDirectory(java.lang.String repository)
                  throws java.io.IOException

Add a directory to the list of searchable repositories. This methods ensures that no directory is specified more than once.

Parameters:

repository - The directory path

Throws:

java.io.IOException - Non-existent, non-readable or non-directory repository

addURL

public void addURL(java.net.URL url)

Add a url to the list of searchable repositories

Overrides:

addURL in class java.net.URLClassLoader

defineClass

public java.lang.Class defineClass(byte[] b)
                            throws java.lang.ClassFormatError

Create a Class from a byte array